diff options
| author | Guennadi Liakhovetski <g.liakhovetski@gmx.de> | 2011-07-26 18:29:27 +0200 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2011-11-03 21:27:34 +0100 |
| commit | 0d3263f9ad74d60cdcc2beaa365913be85769696 (patch) | |
| tree | fbdeca8a16f4f3b432a39b595c748fc79c8e0211 /drivers/media/video/tw9910.c | |
| parent | [media] V4L: tw9910: remove a not really implemented cropping support (diff) | |
| download | linux-0d3263f9ad74d60cdcc2beaa365913be85769696.tar.xz linux-0d3263f9ad74d60cdcc2beaa365913be85769696.zip | |
[media] V4L: tw9910: support the new mbus-config subdev ops
Extend the driver to also support [gs]_mbus_config() subdevice video
operations.
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/video/tw9910.c')
| -rw-r--r-- | drivers/media/video/tw9910.c | 49 |
1 files changed, 47 insertions, 2 deletions
diff --git a/drivers/media/video/tw9910.c b/drivers/media/video/tw9910.c index 686512eefed8..4f9fbf2ba35d 100644 --- a/drivers/media/video/tw9910.c +++ b/drivers/media/video/tw9910.c @@ -23,10 +23,12 @@ #include <linux/kernel.h> #include <linux/delay.h> #include <linux/videodev2.h> -#include <media/v4l2-chip-ident.h> -#include <media/v4l2-subdev.h> + #include <media/soc_camera.h> +#include <media/soc_mediabus.h> #include <media/tw9910.h> +#include <media/v4l2-chip-ident.h> +#include <media/v4l2-subdev.h> #define GET_ID(val) ((val & 0xF8) >> 3) #define GET_REV(val) (val & 0x07) @@ -862,6 +864,47 @@ static int tw9910_enum_fmt(struct v4l2_subdev *sd, unsigned int index, return 0; } +static int tw9910_g_mbus_config(struct v4l2_subdev *sd, + struct v4l2_mbus_config *cfg) +{ + struct i2c_client *client = v4l2_get_subdevdata(sd); + struct soc_camera_device *icd = client->dev.platform_data; + struct soc_camera_link *icl = to_soc_camera_link(icd); + + cfg->flags = V4L2_MBUS_PCLK_SAMPLE_RISING | V4L2_MBUS_MASTER | + V4L2_MBUS_VSYNC_ACTIVE_HIGH | V4L2_MBUS_VSYNC_ACTIVE_LOW | + V4L2_MBUS_HSYNC_ACTIVE_HIGH | V4L2_MBUS_HSYNC_ACTIVE_LOW | + V4L2_MBUS_DATA_ACTIVE_HIGH; + cfg->type = V4L2_MBUS_PARALLEL; + cfg->flags = soc_camera_apply_board_flags(icl, cfg); + + return 0; +} + +static int tw9910_s_mbus_config(struct v4l2_subdev *sd, + const struct v4l2_mbus_config *cfg) +{ + struct i2c_client *client = v4l2_get_subdevdata(sd); + struct soc_camera_device *icd = client->dev.platform_data; + struct soc_camera_link *icl = to_soc_camera_link(icd); + u8 val = VSSL_VVALID | HSSL_DVALID; + unsigned long flags = soc_camera_apply_board_flags(icl, cfg); + + /* + * set OUTCTR1 + * + * We use VVALID and DVALID signals to control VSYNC and HSYNC + * outputs, in this mode their polarity is inverted. + */ + if (flags & V4L2_MBUS_HSYNC_ACTIVE_LOW) + val |= HSP_HI; + + if (flags & V4L2_MBUS_VSYNC_ACTIVE_LOW) + val |= VSP_HI; + + return i2c_smbus_write_byte_data(client, OUTCTR1, val); +} + static struct v4l2_subdev_video_ops tw9910_subdev_video_ops = { .s_stream = tw9910_s_stream, .g_mbus_fmt = tw9910_g_fmt, @@ -870,6 +913,8 @@ static struct v4l2_subdev_video_ops tw9910_subdev_video_ops = { .cropcap = tw9910_cropcap, .g_crop = tw9910_g_crop, .enum_mbus_fmt = tw9910_enum_fmt, + .g_mbus_config = tw9910_g_mbus_config, + .s_mbus_config = tw9910_s_mbus_config, }; static struct v4l2_subdev_ops tw9910_subdev_ops = { |